package com.lh.builder;

public abstract class AbstractHouse {

	//打地基
	public abstract void buildBasic();

	//砌墙
	public abstract void buildWalls();

	//封顶
	public abstract void roofed();

	public void build() {
		//顺序输出
		buildBasic();
		buildWalls();
		roofed();
	}
}
